---
title: A platypus stuffs food from the riverbed into its cheek pouches and… — The platypus and the echidna: mammals that lay e… · tree and pragmatics
description: A platypus stuffs food from the riverbed into its cheek pouches and chews it at the surface with hard horny pads, because adults have no teeth; it must come up to breathe, so filling the pouches saves trips. Who acts: platypus, adults, food, filling. A sentence of the lesson «The platypus and the ec
---

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# The platypus and the echidna: mammals that lay eggs, sentence 11

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A platypus stuffs food from the riverbed into its cheek pouches and chews it at the surface with hard horny pads, because adults have no teeth; it must come up to breathe, so filling the pouches saves trips.

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**Who acts:** platypus, adults, food, filling · **What happens:** stuff, chew, have, come up, breathe, fill · **To what, where:** food, riverbed, surface, teeth, pouches, trips

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This is a sentence of the lesson «The platypus and the echidna: mammals that lay eggs» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (platypus, adults, food, filling), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:043-platypus-and-echidna.lesson:11
# text = A platypus stuffs food from the riverbed into its cheek pouches and chews it at the surface with hard horny pads, because adults have no teeth; it must come up to breathe, so filling the pouches saves trips.
# source = school lesson (ours)
# course = biology
# lesson = 043-platypus-and-echidna.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3, R7-rel-agree ×3
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	platypus	platypus	NOUN	NN	Number=Sing	3	nsubj	_	_
3	stuffs	stuff	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	food	food	NOUN	NN	Number=Sing	3	obj	_	_
5	from	from	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	riverbed	riverbed	NOUN	NN	Number=Sing	3	obl	_	_
8	into	into	ADP	IN	_	11	case	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
10	cheek	cheek	NOUN	NN	Number=Sing	11	compound	_	_
11	pouches	pouch	NOUN	NNS	Number=Plur	3	obl	_	Agree=R5-strong|Haiku=7:nmod
12	and	and	CCONJ	CC	_	13	cc	_	_
13	chews	chew	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
14	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	obj	_	_
15	at	at	ADP	IN	_	17	case	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	surface	surface	NOUN	NN	Number=Sing	13	obl	_	_
18	with	with	ADP	IN	_	21	case	_	_
19	hard	hard	ADJ	JJ	Degree=Pos	21	amod	_	_
20	horny	horny	ADJ	JJ	Degree=Pos	21	amod	_	_
21	pads	pad	NOUN	NNS	Number=Plur	13	obl	_	_
22	,	,	PUNCT	,	_	25	punct	_	_
23	because	because	SCONJ	IN	_	25	mark	_	_
24	adults	adult	NOUN	NNS	Number=Plur	25	nsubj	_	_
25	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	advcl	_	Agree=R5-strong|Haiku=3:advcl
26	no	no	DET	DT	PronType=Neg	27	det	_	_
27	teeth	tooth	NOUN	NNS	Number=Plur	25	obj	_	_
28	;	;	PUNCT	:	_	31	punct	_	_
29	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	31	nsubj	_	_
30	must	must	AUX	MD	VerbForm=Fin	31	aux	_	_
31	come	come	VERB	VB	VerbForm=Inf	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
32	up	up	ADV	RB	_	31	advmod	_	_
33	to	to	PART	TO	_	34	mark	_	_
34	breathe	breathe	VERB	VB	VerbForm=Inf	31	advcl	_	Agree=R7-rel-agree|Haiku=31:xcomp
35	,	,	PUNCT	,	_	37	punct	_	_
36	so	so	ADV	RB	_	40	advmod	_	_
37	filling	fill	VERB	VBG	Tense=Pres|VerbForm=Part	40	csubj	_	Agree=R7-rel-agree|Haiku=40:nsubj
38	the	the	DET	DT	Definite=Def|PronType=Art	39	det	_	_
39	pouches	pouch	NOUN	NNS	Number=Plur	37	obj	_	_
40	saves	save	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	31	parataxis	_	Agree=R5-strong|Haiku=3:parataxis
41	trips	trip	NOUN	NNS	Number=Plur	40	obj	_	_
42	.	.	PUNCT	.	_	3	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stuff** | present | a platypus | food |  | the riverbed |  | into riverbed's cheek pouches | vn spray-9.7-2 «NP V NP PP.destination»: agent=Agent food=Theme into pouch=Destination |
| 2 | **chew** | present | a platypus *not said here* | food |  | the surface |  | with hard horny pads | vn chew-39.2 «NP V NP»: agent=Agent it=Patient |
| 3 | **have** | present | adults | no teeth |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent tooth=Patient |
| 4 | **come up** | must | food |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |
| 5 | **breathe** | to-infinitive | food *not said here* |  |  |  |  |  | vn breathe-40.1.2-1 «NP V»: agent=Agent |
| 6 | **fill** | gerund |  | the pouches |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent pouch=Patient |
| 7 | **save** | present | filling | trips |  |  |  |  | vn get-13.5.1-1 «NP V NP»: agent=Agent trip=Theme |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:043-platypus-and-echidna.lesson:11`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3, R7-rel-agree ×3. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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